Contact: U. Kuetgens
ulrich.kuetgens@ptb.de
49-531-592-4330
Physikalisch-Technische Bundesanstalt (PTB)

The Core Piece of the X-ray Interferometer

Caption: The core piece of the X-ray interferometer, made from a silicon single crystal, furnishes the lattice parameter of silicon as an utmost precisely determined length scale.

Credit: PTB

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